Rosemont Avenue and Rockdell Street in La Crescenta

Rosemont Avenue and Rockdell Street in La Crescenta

Francine Orr / Los Angeles Times

Matthew Cleaver, 20, of Arizona keeps an eye on a backfire near the corner of Rosemont Avenue and Rockdell Street in La Cresenta. The Forest Service set the backfire to help protect homes on the ridge.

Matthew Cleaver, 20, of Arizona keeps an eye on a backfire near the corner of Rosemont Avenue and Rockdell Street in La Cresenta. The Forest Service set the backfire to help protect homes on the ridge. (Francine Orr / Los Angeles Times)

Matthew Cleaver, 20, of Arizona keeps an eye on a backfire near the corner of Rosemont Avenue and Rockdell Street in La Cresenta. The Forest Service set the backfire to help protect homes on the ridge.Francine Orr / Los Angeles Times